648367020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:174

約数の個数: 432

約数和(自身を含む): 2487270240

約数和(自身を除く): 1838903220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 49, 53, 57, 60, 63, 70, 73, 76, 84, 90, 95, 98, 105, 106, 114, 126, 133, 140, 146, 147, 159, 171, 180, 190, 196, 210, 212, 219, 228, 245, 252, 265, 266, 285, 292, 294, 315, 318, 342, 365, 371, 380, 399, 420, 438, 441, 477, 490, 511, 530, 532, 570, 588, 630, 636, 657, 665, 684, 730, 735, 742, 795, 798, 855, 876, 882, 931, 954, 980, 1007, 1022, 1060, 1095, 1113, 1140, 1197, 1260, 1314, 1330, 1387, 1460, 1470, 1484, 1533, 1590, 1596, 1710, 1764, 1855, 1862, 1908, 1995, 2014, 2044, 2190, 2205, 2226, 2385, 2394, 2555, 2597, 2628, 2660, 2774, 2793, 2940, 3021, 3066, 3180, 3285, 3339, 3420, 3577, 3710, 3724, 3869, 3990, 4028, 4161, 4380, 4410, 4452, 4599, 4655, 4770, 4788, 5035, 5110, 5194, 5548, 5565, 5586, 5985, 6042, 6132, 6570, 6678, 6935, 7049, 7154, 7420, 7665, 7738, 7791, 7980, 8322, 8379, 8820, 9063, 9198, 9310, 9540, 9709, 10070, 10220, 10388, 10731, 11130, 11172, 11607, 11970, 12084, 12483, 12985, 13140, 13356, 13870, 13965, 14098, 14308, 15105, 15330, 15476, 15582, 16644, 16695, 16758, 17885, 18126, 18396, 18620, 19345, 19418, 20140, 20805, 21147, 21462, 22260, 22995, 23214, 23373, 23940, 24966, 25970, 27083, 27740, 27930, 28196, 29127, 30210, 30660, 31164, 32193, 33390, 33516, 34821, 35245, 35770, 36252, 38690, 38836, 38955, 41610, 41895, 42294, 42924, 45315, 45990, 46428, 46746, 48545, 49343, 49932, 51940, 53655, 54166, 55860, 58035, 58254, 60420, 62415, 63441, 64386, 66780, 67963, 69642, 70490, 71540, 73511, 77380, 77910, 81249, 83220, 83790, 84588, 87381, 90630, 91980, 93492, 97090, 98686, 105735, 107310, 108332, 116070, 116508, 116865, 124830, 126882, 128772, 135415, 135926, 139284, 140980, 145635, 147022, 148029, 155820, 160965, 162498, 167580, 174105, 174762, 181260, 189581, 194180, 197372, 203889, 211470, 214620, 220533, 232140, 233730, 243747, 246715, 249660, 253764, 270830, 271852, 291270, 294044, 296058, 317205, 321930, 324996, 339815, 348210, 349524, 367555, 379162, 406245, 407778, 422940, 436905, 441066, 444087, 467460, 487494, 493430, 514577, 541660, 568743, 582540, 592116, 611667, 634410, 643860, 661599, 679630, 696420, 735110, 740145, 758324, 812490, 815556, 873810, 882132, 888174, 947905, 974988, 986860, 1019445, 1029154, 1102665, 1137486, 1218735, 1223334, 1268820, 1323198, 1359260, 1470220, 1480290, 1543731, 1624980, 1706229, 1747620, 1776348, 1895810, 2038890, 2058308, 2205330, 2220435, 2274972, 2437470, 2446668, 2572885, 2646396, 2843715, 2960580, 3058335, 3087462, 3307995, 3412458, 3602039, 3791620, 4077780, 4410660, 4440870, 4631193, 4874940, 5145770, 5687430, 6116670, 6174924, 6615990, 6824916, 7204078, 7718655, 8531145, 8881740, 9262386, 10291540, 10806117, 11374860, 12233340, 13231980, 14408156, 15437310, 17062290, 18010195, 18524772, 21612234, 23155965, 30874620, 32418351, 34124580, 36020390, 43224468, 46311930, 54030585, 64836702, 72040780, 92623860, 108061170, 129673404, 162091755, 216122340, 324183510, 648367020]

約数ペア:

[(1, 648367020), (2, 324183510), (3, 216122340), (4, 162091755), (5, 129673404), (6, 108061170), (7, 92623860), (9, 72040780), (10, 64836702), (12, 54030585), (14, 46311930), (15, 43224468), (18, 36020390), (19, 34124580), (20, 32418351), (21, 30874620), (28, 23155965), (30, 21612234), (35, 18524772), (36, 18010195), (38, 17062290), (42, 15437310), (45, 14408156), (49, 13231980), (53, 12233340), (57, 11374860), (60, 10806117), (63, 10291540), (70, 9262386), (73, 8881740), (76, 8531145), (84, 7718655), (90, 7204078), (95, 6824916), (98, 6615990), (105, 6174924), (106, 6116670), (114, 5687430), (126, 5145770), (133, 4874940), (140, 4631193), (146, 4440870), (147, 4410660), (159, 4077780), (171, 3791620), (180, 3602039), (190, 3412458), (196, 3307995), (210, 3087462), (212, 3058335), (219, 2960580), (228, 2843715), (245, 2646396), (252, 2572885), (265, 2446668), (266, 2437470), (285, 2274972), (292, 2220435), (294, 2205330), (315, 2058308), (318, 2038890), (342, 1895810), (365, 1776348), (371, 1747620), (380, 1706229), (399, 1624980), (420, 1543731), (438, 1480290), (441, 1470220), (477, 1359260), (490, 1323198), (511, 1268820), (530, 1223334), (532, 1218735), (570, 1137486), (588, 1102665), (630, 1029154), (636, 1019445), (657, 986860), (665, 974988), (684, 947905), (730, 888174), (735, 882132), (742, 873810), (795, 815556), (798, 812490), (855, 758324), (876, 740145), (882, 735110), (931, 696420), (954, 679630), (980, 661599), (1007, 643860), (1022, 634410), (1060, 611667), (1095, 592116), (1113, 582540), (1140, 568743), (1197, 541660), (1260, 514577), (1314, 493430), (1330, 487494), (1387, 467460), (1460, 444087), (1470, 441066), (1484, 436905), (1533, 422940), (1590, 407778), (1596, 406245), (1710, 379162), (1764, 367555), (1855, 349524), (1862, 348210), (1908, 339815), (1995, 324996), (2014, 321930), (2044, 317205), (2190, 296058), (2205, 294044), (2226, 291270), (2385, 271852), (2394, 270830), (2555, 253764), (2597, 249660), (2628, 246715), (2660, 243747), (2774, 233730), (2793, 232140), (2940, 220533), (3021, 214620), (3066, 211470), (3180, 203889), (3285, 197372), (3339, 194180), (3420, 189581), (3577, 181260), (3710, 174762), (3724, 174105), (3869, 167580), (3990, 162498), (4028, 160965), (4161, 155820), (4380, 148029), (4410, 147022), (4452, 145635), (4599, 140980), (4655, 139284), (4770, 135926), (4788, 135415), (5035, 128772), (5110, 126882), (5194, 124830), (5548, 116865), (5565, 116508), (5586, 116070), (5985, 108332), (6042, 107310), (6132, 105735), (6570, 98686), (6678, 97090), (6935, 93492), (7049, 91980), (7154, 90630), (7420, 87381), (7665, 84588), (7738, 83790), (7791, 83220), (7980, 81249), (8322, 77910), (8379, 77380), (8820, 73511), (9063, 71540), (9198, 70490), (9310, 69642), (9540, 67963), (9709, 66780), (10070, 64386), (10220, 63441), (10388, 62415), (10731, 60420), (11130, 58254), (11172, 58035), (11607, 55860), (11970, 54166), (12084, 53655), (12483, 51940), (12985, 49932), (13140, 49343), (13356, 48545), (13870, 46746), (13965, 46428), (14098, 45990), (14308, 45315), (15105, 42924), (15330, 42294), (15476, 41895), (15582, 41610), (16644, 38955), (16695, 38836), (16758, 38690), (17885, 36252), (18126, 35770), (18396, 35245), (18620, 34821), (19345, 33516), (19418, 33390), (20140, 32193), (20805, 31164), (21147, 30660), (21462, 30210), (22260, 29127), (22995, 28196), (23214, 27930), (23373, 27740), (23940, 27083), (24966, 25970)]